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30001000201212 = 22337443967157733
BaseRepresentation
bin1101101001001001001101…
…11101011011101111111100
310221020001211021202020121110
412310210212331123233330
512413014022022414322
6143450134053002020
76214333516065555
oct664444675335774
9127201737666543
1030001000201212
119617397542027
12344648a323310
13139810b719ba1
1475a0b014b32c
153705dc9e9c0c
hex1b4926f5bbfc

30001000201212 has 96 divisors (see below), whose sum is σ = 72131551252992. Its totient is φ = 9697989240576.

The previous prime is 30001000201181. The next prime is 30001000201217. The reversal of 30001000201212 is 21210200010003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001000201217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190122298 + ... + 190280030.

It is an arithmetic number, because the mean of its divisors is an integer number (751370325552).

Almost surely, 230001000201212 is an apocalyptic number.

It is an amenable number.

30001000201212 is an abundant number, since it is smaller than the sum of its proper divisors (42130551051780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30001000201212 is a wasteful number, since it uses less digits than its factorization.

30001000201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159187 (or 159185 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30001000201212 its reverse (21210200010003), we get a palindrome (51211200211215).

The spelling of 30001000201212 in words is "thirty trillion, one billion, two hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 443 444 886 967 1329 1772 1934 2658 2901 3868 5316 5802 11604 16391 32782 35779 49173 65564 71558 98346 107337 143116 157733 196692 214674 315466 428381 429348 473199 630932 856762 946398 1285143 1713524 1892796 2570286 5140572 5836121 11672242 15850097 17508363 23344484 31700194 35016726 47550291 63400388 69875719 70033452 95100582 139751438 152527811 190201164 209627157 279502876 305055622 419254314 457583433 610111244 838508628 915166866 1830333732 2585401603 5170803206 5643529007 7756204809 10341606412 11287058014 15512409618 16930587021 22574116028 31024819236 33861174042 67569820273 67722348084 135139640546 202709460819 270279281092 405418921638 810837843276 2500083350101 5000166700202 7500250050303 10000333400404 15000500100606 30001000201212